Black Hawk SD Sink Hole (Mine Dasaster)

My brother and his family are loosing their home.  The sink hole is due to this housing  development was built on top of a old mine.  Only the red cross has steped up to put them up in a motel for about 9  days.  They can not live in there house, by order.  But the state goverment will do nothing.  https://drive.google.com/drive/folders/1pVk5yjZqWw2jXtY6AjFAZszbRZ0b598a 
https://rapidcityjournal.com/news/local/12-blackhawk-families-displaced-after-sinkhole-exposes-abandoned-gypsum-mine/article_c48e901e-9ba9-546c-a1ac-c6d66af9e6b8.html

Please Help Them Out.